ExtUI for Anycubic I3 Mega (#18655)

5 years ago · 4abad60bf1
7 changed files with 1753 additions and 4 deletions
--- a/Marlin/src/gcode/feature/pause/M125.cpp
+++ b/Marlin/src/gcode/feature/pause/M125.cpp
@ -79,7 +79,7 @@ void GcodeSuite::M125() {

  if (pause_print(retract, park_point, 0, show_lcd)) {
    TERN_(POWER_LOSS_RECOVERY, if (recovery.enabled) recovery.save(true));
-    if (!sd_printing || show_lcd) {
+    if (ENABLED(EXTENSIBLE_UI) || !sd_printing || show_lcd) {
      wait_for_confirmation(false, 0);
      resume_print(0, 0, -retract, 0);
    }
--- a/Marlin/src/lcd/extui/lib/anycubic/anycubic_serial.cpp
+++ b/Marlin/src/lcd/extui/lib/anycubic/anycubic_serial.cpp
@ -0,0 +1,294 @@
+/*
+  anycubic_serial.cpp  --- Support for Anycubic i3 Mega TFT serial connection
+  Created by Christian Hopp on 09.12.17.
+
+  Original file:
+  HardwareSerial.cpp - Hardware serial library for Wiring
+  Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+  Modified 23 November 2006 by David A. Mellis
+  Modified 28 September 2010 by Mark Sproul
+  Modified 14 August 2012 by Alarus
+*/
+
+#include "../../../../inc/MarlinConfig.h"
+
+#if ENABLED(ANYCUBIC_TFT_MODEL)
+
+#include "Arduino.h"
+
+// this next line disables the entire HardwareSerial.cpp,
+// so I can support AtTiny series and other chips without a UART
+#ifdef UBRR3H
+
+#include "anycubic_serial.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include "wiring_private.h"
+
+// Define constants and variables for buffering incoming serial data.  We're
+// using a ring buffer (I think), in which head is the index of the location
+// to which to write the next incoming character and tail is the index of the
+// location from which to read.
+#if (RAMEND < 1000)
+  #define SERIAL_BUFFER_SIZE 64
+#else
+  #define SERIAL_BUFFER_SIZE 128
+#endif
+
+struct ring_buffer {
+  unsigned char buffer[SERIAL_BUFFER_SIZE];
+  volatile unsigned int head;
+  volatile unsigned int tail;
+};
+
+#ifdef UBRR3H
+  ring_buffer rx_buffer_ajg  =  { { 0 }, 0, 0 };
+  ring_buffer tx_buffer_ajg  =  { { 0 }, 0, 0 };
+#endif
+
+inline void store_char(unsigned char c, ring_buffer *buffer) {
+  int i = (unsigned int)(buffer->head + 1) % SERIAL_BUFFER_SIZE;
+
+  // if we should be storing the received character into the location
+  // just before the tail (meaning that the head would advance to the
+  // current location of the tail), we're about to overflow the buffer
+  // and so we don't write the character or advance the head.
+  if (i != buffer->tail) {
+    buffer->buffer[buffer->head] = c;
+    buffer->head = i;
+  }
+}
+
+#if defined(USART3_RX_vect) && defined(UDR3)
+  void serialEvent3() __attribute__((weak));
+  void serialEvent3() {}
+  #define serialEvent3_implemented
+  ISR(USART3_RX_vect) {
+    if (bit_is_clear(UCSR3A, UPE3)) {
+      unsigned char c = UDR3;
+      store_char(c, &rx_buffer_ajg);
+    }
+    else {
+      unsigned char c = UDR3;
+    }
+  }
+#endif
+
+#ifdef USART3_UDRE_vect
+
+  ISR(USART3_UDRE_vect) {
+    if (tx_buffer_ajg.head == tx_buffer_ajg.tail) {
+  	// Buffer empty, so disable interrupts
+      cbi(UCSR3B, UDRIE3);
+    }
+    else {
+      // There is more data in the output buffer. Send the next byte
+      unsigned char c = tx_buffer_ajg.buffer[tx_buffer_ajg.tail];
+      tx_buffer_ajg.tail = (tx_buffer_ajg.tail + 1) % SERIAL_BUFFER_SIZE;
+
+      UDR3 = c;
+    }
+  }
+
+#endif
+
+// Constructors ////////////////////////////////////////////////////////////////
+
+AnycubicSerialClass::AnycubicSerialClass(ring_buffer *rx_buffer, ring_buffer *tx_buffer,
+  volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
+  volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
+  volatile uint8_t *ucsrc, volatile uint8_t *udr,
+  uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udrie, uint8_t u2x
+) {
+  _rx_buffer = rx_buffer;
+  _tx_buffer = tx_buffer;
+  _ubrrh = ubrrh;
+  _ubrrl = ubrrl;
+  _ucsra = ucsra;
+  _ucsrb = ucsrb;
+  _ucsrc = ucsrc;
+  _udr = udr;
+  _rxen = rxen;
+  _txen = txen;
+  _rxcie = rxcie;
+  _udrie = udrie;
+  _u2x = u2x;
+}
+
+// Public Methods //////////////////////////////////////////////////////////////
+
+void AnycubicSerialClass::begin(unsigned long baud) {
+  uint16_t baud_setting;
+  bool use_u2x = true;
+
+  #if F_CPU == 16000000UL
+    // hardcoded exception for compatibility with the bootloader shipped
+    // with the Duemilanove and previous boards and the firmware on the 8U2
+    // on the Uno and Mega 2560.
+    if (baud == 57600) use_u2x = false;
+  #endif
+
+try_again:
+
+  if (use_u2x) {
+    *_ucsra = 1 << _u2x;
+    baud_setting = (F_CPU / 4 / baud - 1) / 2;
+  } else {
+    *_ucsra = 0;
+    baud_setting = (F_CPU / 8 / baud - 1) / 2;
+  }
+
+  if ((baud_setting > 4095) && use_u2x) {
+    use_u2x = false;
+    goto try_again;
+  }
+
+  // assign the baud_setting, a.k.a. ubbr (USART Baud Rate Register)
+  *_ubrrh = baud_setting >> 8;
+  *_ubrrl = baud_setting;
+
+  transmitting = false;
+
+  sbi(*_ucsrb, _rxen);
+  sbi(*_ucsrb, _txen);
+  sbi(*_ucsrb, _rxcie);
+  cbi(*_ucsrb, _udrie);
+}
+
+void AnycubicSerialClass::begin(unsigned long baud, byte config) {
+  uint16_t baud_setting;
+  uint8_t current_config;
+  bool use_u2x = true;
+
+  #if F_CPU == 16000000UL
+    // hardcoded exception for compatibility with the bootloader shipped
+    // with the Duemilanove and previous boards and the firmware on the 8U2
+    // on the Uno and Mega 2560.
+    if (baud == 57600) use_u2x = false;
+  #endif
+
+try_again:
+
+  if (use_u2x) {
+    *_ucsra = 1 << _u2x;
+    baud_setting = (F_CPU / 4 / baud - 1) / 2;
+  }
+  else {
+    *_ucsra = 0;
+    baud_setting = (F_CPU / 8 / baud - 1) / 2;
+  }
+
+  if ((baud_setting > 4095) && use_u2x) {
+    use_u2x = false;
+    goto try_again;
+  }
+
+  // assign the baud_setting, a.k.a. ubbr (USART Baud Rate Register)
+  *_ubrrh = baud_setting >> 8;
+  *_ubrrl = baud_setting;
+
+  //set the data bits, parity, and stop bits
+  #ifdef __AVR_ATmega8__
+    config |= 0x80; // select UCSRC register (shared with UBRRH)
+  #endif
+  *_ucsrc = config;
+
+  sbi(*_ucsrb, _rxen);
+  sbi(*_ucsrb, _txen);
+  sbi(*_ucsrb, _rxcie);
+  cbi(*_ucsrb, _udrie);
+}
+
+void AnycubicSerialClass::end() {
+  // wait for transmission of outgoing data
+  while (_tx_buffer->head != _tx_buffer->tail)
+    ;
+
+  cbi(*_ucsrb, _rxen);
+  cbi(*_ucsrb, _txen);
+  cbi(*_ucsrb, _rxcie);
+  cbi(*_ucsrb, _udrie);
+
+  // clear any received data
+  _rx_buffer->head = _rx_buffer->tail;
+}
+
+int AnycubicSerialClass::available(void) {
+  return (int)(SERIAL_BUFFER_SIZE + _rx_buffer->head - _rx_buffer->tail) % SERIAL_BUFFER_SIZE;
+}
+
+int AnycubicSerialClass::peek(void) {
+  if (_rx_buffer->head == _rx_buffer->tail) {
+    return -1;
+  } else {
+    return _rx_buffer->buffer[_rx_buffer->tail];
+  }
+}
+
+int AnycubicSerialClass::read(void) {
+  // if the head isn't ahead of the tail, we don't have any characters
+  if (_rx_buffer->head == _rx_buffer->tail) {
+    return -1;
+  } else {
+    unsigned char c = _rx_buffer->buffer[_rx_buffer->tail];
+    _rx_buffer->tail = (unsigned int)(_rx_buffer->tail + 1) % SERIAL_BUFFER_SIZE;
+    return c;
+  }
+}
+
+void AnycubicSerialClass::flush() {
+  // UDR is kept full while the buffer is not empty, so TXC triggers when EMPTY && SENT
+  while (transmitting && ! (*_ucsra & _BV(TXC0)));
+  transmitting = false;
+}
+
+size_t AnycubicSerialClass::write(uint8_t c) {
+  int i = (_tx_buffer->head + 1) % SERIAL_BUFFER_SIZE;
+
+  // If the output buffer is full, there's nothing for it other than to
+  // wait for the interrupt handler to empty it a bit
+  // ???: return 0 here instead?
+  while (i == _tx_buffer->tail)
+    ;
+
+  _tx_buffer->buffer[_tx_buffer->head] = c;
+  _tx_buffer->head = i;
+
+  sbi(*_ucsrb, _udrie);
+  // clear the TXC bit -- "can be cleared by writing a one to its bit location"
+  transmitting = true;
+  sbi(*_ucsra, TXC0);
+
+  return 1;
+}
+
+AnycubicSerialClass::operator bool() {
+	return true;
+}
+
+// Preinstantiate Objects //////////////////////////////////////////////////////
+
+#ifdef UBRR3H
+  AnycubicSerialClass AnycubicSerial(&rx_buffer_ajg, &tx_buffer_ajg, &UBRR3H, &UBRR3L, &UCSR3A, &UCSR3B, &UCSR3C, &UDR3, RXEN3, TXEN3, RXCIE3, UDRIE3, U2X3);
+#endif
+
+#endif // UBRR3H
+#endif // ANYCUBIC_TFT_MODEL
--- a/Marlin/src/lcd/extui/lib/anycubic/anycubic_serial.h
+++ b/Marlin/src/lcd/extui/lib/anycubic/anycubic_serial.h
@ -0,0 +1,143 @@
+/*
+  anycubic_serial.h  --- Support for Anycubic i3 Mega TFT serial connection
+  Created by Christian Hopp on 09.12.17.
+
+  Original file:
+
+  HardwareSerial.h - Hardware serial library for Wiring
+  Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+  Modified 28 September 2010 by Mark Sproul
+  Modified 14 August 2012 by Alarus
+*/
+#pragma once
+
+#include <inttypes.h>
+#include <avr/pgmspace.h>
+
+#include "Stream.h"
+
+#define FORCE_INLINE __attribute__((always_inline)) inline
+
+struct ring_buffer;
+
+class AnycubicSerialClass : public Stream {
+  private:
+    ring_buffer *_rx_buffer;
+    ring_buffer *_tx_buffer;
+    volatile uint8_t *_ubrrh;
+    volatile uint8_t *_ubrrl;
+    volatile uint8_t *_ucsra;
+    volatile uint8_t *_ucsrb;
+    volatile uint8_t *_ucsrc;
+    volatile uint8_t *_udr;
+    uint8_t _rxen;
+    uint8_t _txen;
+    uint8_t _rxcie;
+    uint8_t _udrie;
+    uint8_t _u2x;
+    bool transmitting;
+  public:
+    AnycubicSerialClass(ring_buffer *rx_buffer, ring_buffer *tx_buffer,
+      volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
+      volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
+      volatile uint8_t *ucsrc, volatile uint8_t *udr,
+      uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udrie, uint8_t u2x
+    );
+    void begin(unsigned long);
+    void begin(unsigned long, uint8_t);
+    void end();
+    virtual int available(void);
+    virtual int peek(void);
+    virtual int read(void);
+    virtual void flush(void);
+    virtual size_t write(uint8_t);
+    inline size_t write(unsigned long n) { return write((uint8_t)n); }
+    inline size_t write(long n) { return write((uint8_t)n); }
+    inline size_t write(unsigned int n) { return write((uint8_t)n); }
+    inline size_t write(int n) { return write((uint8_t)n); }
+    using Print::write; // pull in write(str) and write(buf, size) from Print
+    operator bool();
+};
+
+// Define config for Serial.begin(baud, config);
+#define SERIAL_5N1 0x00
+#define SERIAL_6N1 0x02
+#define SERIAL_7N1 0x04
+#define SERIAL_8N1 0x06
+#define SERIAL_5N2 0x08
+#define SERIAL_6N2 0x0A
+#define SERIAL_7N2 0x0C
+#define SERIAL_8N2 0x0E
+#define SERIAL_5E1 0x20
+#define SERIAL_6E1 0x22
+#define SERIAL_7E1 0x24
+#define SERIAL_8E1 0x26
+#define SERIAL_5E2 0x28
+#define SERIAL_6E2 0x2A
+#define SERIAL_7E2 0x2C
+#define SERIAL_8E2 0x2E
+#define SERIAL_5O1 0x30
+#define SERIAL_6O1 0x32
+#define SERIAL_7O1 0x34
+#define SERIAL_8O1 0x36
+#define SERIAL_5O2 0x38
+#define SERIAL_6O2 0x3A
+#define SERIAL_7O2 0x3C
+#define SERIAL_8O2 0x3E
+
+extern void serialEventRun(void) __attribute__((weak));
+
+#define ANYCUBIC_SERIAL_PROTOCOL(x) (AnycubicSerial.print(x))
+#define ANYCUBIC_SERIAL_PROTOCOL_F(x,y) (AnycubicSerial.print(x,y))
+#define ANYCUBIC_SERIAL_PROTOCOLPGM(x) (AnycubicSerialprintPGM(PSTR(x)))
+#define ANYCUBIC_SERIAL_(x) (AnycubicSerial.print(x),AnycubicSerial.write('\n'))
+#define ANYCUBIC_SERIAL_PROTOCOLLN(x) (AnycubicSerial.print(x),AnycubicSerial.write('\r'),AnycubicSerial.write('\n'))
+#define ANYCUBIC_SERIAL_PROTOCOLLNPGM(x) (AnycubicSerialprintPGM(PSTR(x)),AnycubicSerial.write('\r'),AnycubicSerial.write('\n'))
+
+#define ANYCUBIC_SERIAL_START() (AnycubicSerial.write('\r'),AnycubicSerial.write('\n'))
+#define ANYCUBIC_SERIAL_CMD_SEND(x) (AnycubicSerialprintPGM(PSTR(x)),AnycubicSerial.write('\r'),AnycubicSerial.write('\n'))
+#define ANYCUBIC_SERIAL_ENTER() (AnycubicSerial.write('\r'),AnycubicSerial.write('\n'))
+#define ANYCUBIC_SERIAL_SPACE() (AnycubicSerial.write(' '))
+
+const char newErr[] PROGMEM = "ERR ";
+const char newSucc[] PROGMEM = "OK";
+
+#define ANYCUBIC_SERIAL_ERROR_START (AnycubicSerialprintPGM(newErr))
+#define ANYCUBIC_SERIAL_ERROR(x) ANYCUBIC_SERIAL_PROTOCOL(x)
+#define ANYCUBIC_SERIAL_ERRORPGM(x) ANYCUBIC_SERIAL_PROTOCOLPGM(x)
+#define ANYCUBIC_SERIAL_ERRORLN(x) ANYCUBIC_SERIAL_PROTOCOLLN(x)
+#define ANYCUBIC_SERIAL_ERRORLNPGM(x) ANYCUBIC_SERIAL_PROTOCOLLNPGM(x)
+
+//##define ANYCUBIC_SERIAL_ECHO_START (AnycubicSerialprintPGM(newSucc))
+#define ANYCUBIC_SERIAL_ECHOLN(x) ANYCUBIC_SERIAL_PROTOCOLLN(x)
+#define ANYCUBIC_SERIAL_SUCC_START (AnycubicSerialprintPGM(newSucc))
+#define ANYCUBIC_SERIAL_ECHOPAIR(name,value) (serial_echopair_P(PSTR(name),(value)))
+#define ANYCUBIC_SERIAL_ECHOPGM(x) ANYCUBIC_SERIAL_PROTOCOLPGM(x)
+#define ANYCUBIC_SERIAL_ECHO(x) ANYCUBIC_SERIAL_PROTOCOL(x)
+
+FORCE_INLINE void AnycubicSerialprintPGM(const char *str) {
+  char ch=pgm_read_byte(str);
+  while (ch) {
+    AnycubicSerial.write(ch);
+    ch=pgm_read_byte(++str);
+  }
+}
+
+#ifdef UBRR3H
+  extern AnycubicSerialClass AnycubicSerial;
+#endif
--- a/Marlin/src/lcd/extui/lib/anycubic/anycubic_tft.cpp
+++ b/Marlin/src/lcd/extui/lib/anycubic/anycubic_tft.cpp
--- a/Marlin/src/lcd/extui/lib/anycubic/anycubic_tft.h
+++ b/Marlin/src/lcd/extui/lib/anycubic/anycubic_tft.h
@ -0,0 +1,114 @@
+/**
+ * anycubic_tft.h  --- Support for Anycubic i3 Mega TFT
+ * Created by Christian Hopp on 09.12.17.
+ * Improved by David Ramiro
+ * Converted to ext_iu by John BouAntoun 21 June 2020
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#pragma once
+
+#include "../../../../inc/MarlinConfigPre.h"
+#include "../../../../sd/SdFatConfig.h"   // for the FILENAME_LENGTH macro
+
+// command sending macro's with debugging capability
+#define ANYCUBIC_SENDCOMMANDPGM(x)                  ANYCUBIC_SERIAL_PROTOCOLLNPGM(x)
+#define ANYCUBIC_SENDCOMMANDPGM_VAL(x,y)            (ANYCUBIC_SERIAL_PROTOCOLPGM(x), ANYCUBIC_SERIAL_PROTOCOLLN(itostr3(y)))
+#define ANYCUBIC_SENDCOMMAND(x)                     ANYCUBIC_SERIAL_PROTOCOLLN(x)
+#if ENABLED(ANYCUBIC_TFT_DEBUG)
+  #define ANYCUBIC_SENDCOMMAND_DBG_PGM(x,y)         (ANYCUBIC_SERIAL_PROTOCOLLNPGM(x), SERIAL_ECHOLNPGM(y))
+  #define ANYCUBIC_SENDCOMMAND_DBG_PGM_VAL(x,y,z)   (ANYCUBIC_SERIAL_PROTOCOLLNPGM(x), SERIAL_ECHOPGM(y), SERIAL_ECHOLN(z))
+#else
+  #define ANYCUBIC_SENDCOMMAND_DBG_PGM(x,y)         (ANYCUBIC_SERIAL_PROTOCOLLNPGM(x))
+  #define ANYCUBIC_SENDCOMMAND_DBG_PGM_VAL(x,y,z)   (ANYCUBIC_SERIAL_PROTOCOLLNPGM(x))
+#endif
+
+char *itostr2(const uint8_t &x);
+#ifndef ULTRA_LCD
+  char *itostr3(const int);
+  char *ftostr32(const float &);
+#endif
+
+#define TFTBUFSIZE 4
+#define TFT_MAX_CMD_SIZE 96
+
+enum AnycubicMediaPrintState {
+  AMPRINTSTATE_NOT_PRINTING,
+  AMPRINTSTATE_PRINTING,
+  AMPRINTSTATE_PAUSE_REQUESTED,
+  AMPRINTSTATE_PAUSED,
+  AMPRINTSTATE_STOP_REQUESTED
+};
+
+enum AnycubicMediaPauseState {
+  AMPAUSESTATE_NOT_PAUSED,
+  AMPAUSESTATE_PARKING,
+  AMPAUSESTATE_PARKED,
+  AMPAUSESTATE_FILAMENT_OUT,
+  AMPAUSESTATE_FIAMENT_PRUGING,
+  AMPAUSESTATE_HEATER_TIMEOUT,
+  AMPAUSESTATE_REHEATING,
+  AMPAUSESTATE_REHEAT_FINISHED
+};
+
+class AnycubicTFTClass {
+public:
+  AnycubicTFTClass();
+  void OnSetup();
+  void OnCommandScan();
+  void OnKillTFT();
+  void OnSDCardStateChange(bool);
+  void OnSDCardError();
+  void OnFilamentRunout();
+  void OnUserConfirmRequired(const char *);
+  void OnPrintTimerStarted();
+  void OnPrintTimerPaused();
+  void OnPrintTimerStopped();
+
+private:
+  char TFTcmdbuffer[TFTBUFSIZE][TFT_MAX_CMD_SIZE];
+  int TFTbuflen=0;
+  int TFTbufindr = 0;
+  int TFTbufindw = 0;
+  char serial3_char;
+  int serial3_count = 0;
+  char *TFTstrchr_pointer;
+  uint8_t SpecialMenu = false;
+  AnycubicMediaPrintState mediaPrintingState = AMPRINTSTATE_NOT_PRINTING;
+  AnycubicMediaPauseState mediaPauseState = AMPAUSESTATE_NOT_PAUSED;
+
+  float CodeValue();
+  bool CodeSeen(char);
+  bool IsNozzleHomed();
+  void RenderCurrentFileList();
+  void RenderSpecialMenu(uint16_t);
+  void RenderCurrentFolder(uint16_t);
+  void GetCommandFromTFT();
+  void CheckSDCardChange();
+  void CheckPauseState();
+  void CheckPrintCompletion();
+  void HandleSpecialMenu();
+  void DoSDCardStateCheck();
+  void DoFilamentRunoutCheck();
+  void StartPrint();
+  void PausePrint();
+  void ResumePrint();
+  void StopPrint();
+
+  char SelectedDirectory[30];
+  char SelectedFile[FILENAME_LENGTH];
+};
+
+extern AnycubicTFTClass AnycubicTFT;
--- a/Marlin/src/lcd/extui_anycubic_tft.cpp
+++ b/Marlin/src/lcd/extui_anycubic_tft.cpp
@ -0,0 +1,104 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * extui_anycubic_tft.cpp
+ */
+
+#include "../inc/MarlinConfigPre.h"
+
+#if BOTH(ANYCUBIC_TFT_MODEL, EXTENSIBLE_UI)
+
+#include "extui/lib/anycubic/anycubic_tft.h"
+#include "extui/ui_api.h"
+
+#include <Arduino.h>    // for the ::tone() call
+
+namespace ExtUI {
+
+  void onStartup()        { AnycubicTFT.OnSetup(); }
+  void onIdle()           { AnycubicTFT.OnCommandScan(); }
+  void onPrinterKilled(PGM_P const error, PGM_P const component) { AnycubicTFT.OnKillTFT(); }
+  void onMediaInserted()  { AnycubicTFT.OnSDCardStateChange(true); }
+  void onMediaError()     { AnycubicTFT.OnSDCardError(); }
+  void onMediaRemoved()   { AnycubicTFT.OnSDCardStateChange(false); }
+  void onPlayTone(const uint16_t frequency, const uint16_t duration) {
+    #if ENABLED(SPEAKER)
+      ::tone(BEEPER_PIN, frequency, duration);
+    #endif
+  }
+  void onPrintTimerStarted()  { AnycubicTFT.OnPrintTimerStarted(); }
+  void onPrintTimerPaused()   { AnycubicTFT.OnPrintTimerPaused(); }
+  void onPrintTimerStopped()  { AnycubicTFT.OnPrintTimerStopped(); }
+  void onFilamentRunout(const extruder_t extruder)   { AnycubicTFT.OnFilamentRunout(); }
+  void onUserConfirmRequired(const char * const msg) { AnycubicTFT.OnUserConfirmRequired(msg); }
+  void onStatusChanged(const char * const msg) {}
+  void onFactoryReset() {}
+
+  void onStoreSettings(char *buff) {
+    // Called when saving to EEPROM (i.e. M500). If the ExtUI needs
+    // permanent data to be stored, it can write up to eeprom_data_size bytes
+    // into buff.
+
+    // Example:
+    //  static_assert(sizeof(myDataStruct) <= ExtUI::eeprom_data_size);
+    //  memcpy(buff, &myDataStruct, sizeof(myDataStruct));
+  }
+
+  void onLoadSettings(const char *buff) {
+    // Called while loading settings from EEPROM. If the ExtUI
+    // needs to retrieve data, it should copy up to eeprom_data_size bytes
+    // from buff
+
+    // Example:
+    //  static_assert(sizeof(myDataStruct) <= ExtUI::eeprom_data_size);
+    //  memcpy(&myDataStruct, buff, sizeof(myDataStruct));
+  }
+
+  void onConfigurationStoreWritten(bool success) {
+    // Called after the entire EEPROM has been written,
+    // whether successful or not.
+  }
+
+  void onConfigurationStoreRead(bool success) {
+    // Called after the entire EEPROM has been read,
+    // whether successful or not.
+  }
+
+  void onMeshUpdate(const int8_t xpos, const int8_t ypos, const float zval) {
+    // Called when any mesh points are updated
+  }
+
+  #if ENABLED(POWER_LOSS_RECOVERY)
+    void onPowerLossResume() {
+      // Called on resume from power-loss
+    }
+  #endif
+
+  #if HAS_PID_HEATING
+    void onPidTuning(const result_t rst) {
+      // Called for temperature PID tuning result
+    }
+  #endif
+}
+
+#endif // ANYCUBIC_TFT_MODEL && EXTENSIBLE_UI
--- a/Marlin/src/pins/ramps/pins_TRIGORILLA_14.h
+++ b/Marlin/src/pins/ramps/pins_TRIGORILLA_14.h
@ -38,15 +38,38 @@
 #endif

 //
-// Custom Limit Switches
+// Limit Switches
 //
 //#define ANYCUBIC_4_MAX_PRO_ENDSTOPS
+
+#define X_MIN_PIN                              3
+
 #if ENABLED(ANYCUBIC_4_MAX_PRO_ENDSTOPS)
  #define X_MAX_PIN                           43
-  #define Y_MIN_PIN                           19
+#else
+  #define X_MAX_PIN                           43
+#endif
+
+#if ENABLED(ANYCUBIC_4_MAX_PRO_ENDSTOPS)
+  #define Y_STOP_PIN                          19
+#else
+  #define Y_STOP_PIN                          42
+#endif
+
+#define Z_STOP_PIN                            18
+
+//
+// Z Probe (when not Z_MIN_PIN)
+//
+#define Z_MIN_PROBE_PIN                        2
+
+#ifndef FIL_RUNOUT_PIN
+  #define FIL_RUNOUT_PIN                      19
 #endif

-// Labeled pins
+//
+// Heaters / Fans
+//
 #define TG_HEATER_BED_PIN                      8
 #define TG_HEATER_0_PIN                       10
 #define TG_HEATER_1_PIN                       45  // Anycubic Kossel: Unused
@ -55,6 +78,11 @@
 #define TG_FAN1_PIN                            7  // Anycubic Kossel: Unused
 #define TG_FAN2_PIN                           44  // Anycubic Kossel: Hotend fan

+#define CONTROLLER_FAN_PIN           TG_FAN1_PIN
+
+#define BEEPER_PIN                            31
+#define SD_DETECT_PIN                         49
+
 // Remap MOSFET pins to common usages:

 #define RAMPS_D10_PIN            TG_HEATER_0_PIN  // HEATER_0_PIN is always RAMPS_D10_PIN in pins_RAMPS.h